Portugal will hold a presidential election Sunday, choosing a head of state to serve a five-year term as the country suffers through a national lockdown and a worsening coronavirus outbreak.

Saturday is a day of political reflection, when campaigning and the publication of opinion polls are forbidden. So here’s a look at the election:

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A woman walks past election campaign posters for presidential candidate Ana Gomes, in Lisbon, Wednesday, Jan. 20, 2021.Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca)

Portugal will hold a presidential election Sunday, choosing a head of state to serve a five-year term as the country suffers through a national lockdown and a worsening coronavirus outbreak.

A woman walks in front of an election campaign billboard for presidential candidate Andre Ventura, with the slogan "A president without fear of the system", in Lisbon, Friday, Jan. 22, 2021. Portugal holds a presidential election upcoming Sunday. (AP PhotoArmando Franca)

The president in Portugal has no legislative powers, which lie with parliament and the government, but is an influential voice and under exceptional circumstances can dissolve parliament and call an early election. The head of state can also veto legislation, although parliament can overturn that veto, and refer legislation to the Constitutional Court for vetting. Mostly, the president aims to stand above the political fray, refereeing disputes and acting as an arbiter to defuse tensions.

Municipal worker Mario Matos picks up sealed envelopes with presidential election ballot from residents at an elderly care home in Montijo, south of Lisbon, Tuesday, Jan. 19, 2021. For 48 hours from Tuesday, local council crews are collecting the votes from people in home quarantine and from residents of elderly care homes ahead of Sunday's presidential election. (AP PhotoArmando Franca)

The incumbent, Marcelo Rebelo de Sousa, is widely expected to be returned for a second and final term. Charming and affable, the 72-year-old Rebelo de Sousa’s willingness to pose for selfies spawned a Portuguese Facebook page called “Selfies com Marcelo” (Selfies with Marcelo). He has had an approval rating over 60% and his six challengers haven’t come close to denting his apparent lead.

Portuguese President Marcelo Rebelo de Sousa gets out of his car upon arriving at the Nova University in Carcavelos, outside Lisbon, Tuesday, Jan. 19, 2021. Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca)

Portugal, which is in a lockdown, has one of the worst rates of infections and deaths in the world, according to a tally by John's Hopkins University.

FILE - In this Tuesday, Jan. 19, 2021 file photo, Rosa Gordo, 89, hands her presidential election ballot to municipal workers in protective gear at the elderly care home where she resides in Montijo, south of Lisbon. Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca, File)

FILE - In this Tuesday, Jan. 19, 2021 file photo, Rosa Gordo, 89, hands her presidential election ballot to municipal workers in protective gear at the elderly care home where she resides in Montijo, south of Lisbon. Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca, File)

WHAT’S AT STAKE?

A woman walks past election campaign posters for presidential candidate Ana Gomes, in Lisbon, Wednesday, Jan. 20, 2021.Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca)

A woman walks past election campaign posters for presidential candidate Ana Gomes, in Lisbon, Wednesday, Jan. 20, 2021.Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca)

The president in Portugal has no legislative powers, which lie with parliament and the government, but is an influential voice and under exceptional circumstances can dissolve parliament and call an early election. The head of state can also veto legislation, although parliament can overturn that veto, and refer legislation to the Constitutional Court for vetting. Mostly, the president aims to stand above the political fray, refereeing disputes and acting as an arbiter to defuse tensions.

WHO’S IN THE RUNNING?

Seven candidates are running, but if none captures more than 50% of the vote, a runoff between the two top candidates will take place on Feb. 14.

A woman walks in front of an election campaign billboard for presidential candidate Andre Ventura, with the slogan "A president without fear of the system", in Lisbon, Friday, Jan. 22, 2021. Portugal holds a presidential election upcoming Sunday. (AP PhotoArmando Franca)

A woman walks in front of an election campaign billboard for presidential candidate Andre Ventura, with the slogan "A president without fear of the system", in Lisbon, Friday, Jan. 22, 2021. Portugal holds a presidential election upcoming Sunday. (AP PhotoArmando Franca)

The incumbent, Marcelo Rebelo de Sousa, is widely expected to be returned for a second and final term. Charming and affable, the 72-year-old Rebelo de Sousa’s willingness to pose for selfies spawned a Portuguese Facebook page called “Selfies com Marcelo” (Selfies with Marcelo). He has had an approval rating over 60% and his six challengers haven’t come close to denting his apparent lead.

But a new right-wing populist, André Ventura, may capture around 11% of the vote, opinion polls indicate, and could secure second place in a runoff. That would send a shock wave through Portuguese mainstream politics, where extremists have so far been absent.

HOW IS AN ELECTION HELD DURING A PANDEMIC?

Municipal worker Mario Matos picks up sealed envelopes with presidential election ballot from residents at an elderly care home in Montijo, south of Lisbon, Tuesday, Jan. 19, 2021. For 48 hours from Tuesday, local council crews are collecting the votes from people in home quarantine and from residents of elderly care homes ahead of Sunday's presidential election. (AP PhotoArmando Franca)

Municipal worker Mario Matos picks up sealed envelopes with presidential election ballot from residents at an elderly care home in Montijo, south of Lisbon, Tuesday, Jan. 19, 2021. For 48 hours from Tuesday, local council crews are collecting the votes from people in home quarantine and from residents of elderly care homes ahead of Sunday's presidential election. (AP PhotoArmando Franca)

Portugal, which is in a lockdown, has one of the worst rates of infections and deaths in the world, according to a tally by John's Hopkins University.

The election campaign featured none of the usual flag-waving rallies or other large public events in order to avoid gatherings that would fuel the spread of the virus. Campaigning ended Friday. Early voting drew almost 200,000 of the country's 9.3 million registered voters. The government is opening 2,000 more polling stations to prevent crowds from forming on Sunday.

Restrictions on movement are being lifted for election day and voters must bring their own pens.

Portuguese President Marcelo Rebelo de Sousa gets out of his car upon arriving at the Nova University in Carcavelos, outside Lisbon, Tuesday, Jan. 19, 2021. Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca)

Portuguese President Marcelo Rebelo de Sousa gets out of his car upon arriving at the Nova University in Carcavelos, outside Lisbon, Tuesday, Jan. 19, 2021. Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca)

FILE - In this Tuesday, Jan. 19, 2021 file photo, Rosa Gordo, 89, hands her presidential election ballot to municipal workers in protective gear at the elderly care home where she resides in Montijo, south of Lisbon. Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca, File)

FILE - In this Tuesday, Jan. 19, 2021 file photo, Rosa Gordo, 89, hands her presidential election ballot to municipal workers in protective gear at the elderly care home where she resides in Montijo, south of Lisbon. Portugal holds a presidential election on Sunday, Jan. 24, 2021 and the moderate incumbent candidate is widely seen as the sure winner. But an intriguing question for many Portuguese is how well a brash new populist challenger fares in the ballot. Mainstream populism is a novelty in Portugal. (AP PhotoArmando Franca, File)